<template>
    <div class="codelist">
        <span v-if="ifEmpty">{{emptytext}}</span>
        <template v-if="!ifEmpty">
            <template v-if="renderMode == 'string'"> 
                <template v-for="(val, index) in items">
                    {{ index != 0 ? textSeparator : ''}}
                    <template v-for="(item, index) in val">
                        {{ index != 0 ? "、" : ''}}
                        <i v-if="item.iconCls" :class="item.iconCls"></i>
                        <span :class="item.textCls" :style="{color:item.color}">{{item.text}}</span>
                    </template>
                </template>
            </template>
            <template v-else>
                <template v-for="(item, index) in items">
                    {{ index != 0 ? textSeparator : ''}}
                    <i v-if="item.iconCls" :class="item.iconCls"></i>
                    <span :class="item.textCls" :style="{color:item.color}">{{item.text}}</span>
                </template>
            </template>
        </template>
    </div>
</template>

<script lang="ts">
import { Vue, Component, Prop, Model, Watch } from 'vue-property-decorator';
import CodeListService from "@service/app/codelist-service";

@Component({})
export default class CodeList extends Vue {
    /**
     * 代码表服务对象
     *
     * @type {CodeListService}
     * @memberof CodeList
     */  
    public codeListService:CodeListService = new CodeListService({ $store: this.$store });

    /**
     * 代码表标识
     *
     * @type {string}
     * @memberof CodeList
     */
    @Prop() public srfkey!: string;

    /**
     * 代码表类型
     *
     * @type {string}
     * @memberof AppCheckBox
     */
    @Prop() public codelistType?: string;

    /**
     * 当前值
     * @type {any}
     * @memberof SelectPicker
     * 
     */
    @Prop() public value?: string;

    /**
     * 空值显示文本
     * @type {boolean}
     * @memberof SelectPicker
     */
    @Prop() public emptytext?: string;

    /**
     * 绘制模式
     * @type {boolean}
     * @memberof SelectPicker
     */
    @Prop() public renderMode?: string;

    /**
     * 文本分隔符
     * @type {boolean}
     * @memberof SelectPicker
     */
    @Prop({default:"、"}) public textSeparator?: string;

    /**
     * 值分隔符
     * @type {boolean}
     * @memberof SelectPicker
     */
    @Prop({default:";"}) public valueSeparator?: string;

    /**
     * 是否
     *
     * @memberof CodeList
     */
    public ifEmpty:boolean = false;

    /**
     * 显示数据
     *
     * @type {any[]}
     * @memberof CodeList
     */
    public items: any[] = [];

    /**
     * vue  生命周期
     *
     * @memberof CodeList
     */
    public created() {
        this.dataHandle();
    }

   /**
     * 数据值变化
     *
     * @param {*} newval
     * @param {*} val
     * @returns
     * @memberof CodeList
     */
    @Watch('value')
    public onValueChange(newVal: any, oldVal: any) {
        this.dataHandle();

    }

    /**
     * 数据处理
     *
     * @memberof CodeList
     */
    private dataHandle(){
      let _this = this;
      // 空值判断
      if(Object.is(this.$util.typeOf(this.value), 'undefined') || Object.is(this.$util.typeOf(this.value), 'null')){
          this.ifEmpty = true;
          return;
      }
      this.ifEmpty = false;
      // 动态代码表处理
      if (Object.is(this.codelistType, "DYNAMIC")) {
          this.codeListService.getItems(this.srfkey).then((res: any) => {
              let items = res;
              _this.setItems(items, _this);
          }).catch((error: any) => {
              console.log(`----${_this.srfkey}----代码表不存在`);
          });
      // 静态处理
      } else if(Object.is(this.codelistType, "STATIC")){
          let items = this.$store.getters.getCodeListItems(this.srfkey);
          _this.setItems(items, _this);
      }
    }

    /**
     * 解析代码表和vlaue，设置items
     *
     * @private
     * @param {any[]} items 代码表数据
     * @param {*} value
     * @returns {*}
     * @memberof CodeList
     */
    private setItems(items: any[], _this: any){
        if (items) {
            let result:any = [];
            if(Object.is(this.renderMode,"number")){
                items.map((_item: any, index: number)=>{
                    const nValue = parseInt((_this.value as any), 10);
                    const codevalue = _item.value;
                    if((parseInt(codevalue, 10) & nValue) > 0){
                        result.push(_item);
                    } 
                });
            } else if(Object.is(this.renderMode,"string")){
                const arrayValue: Array<any> = (_this.value as any).split(_this.valueSeparator);
                arrayValue.map((value: any, index: number) => {
                    result.push([]);
                    let values: any[] = Object.is(this.$util.typeOf(value), 'number') ? [value] : [...(value as any).split(this.valueSeparator)];
                    values.map((val:any ,num: number)=>{
                        const item = this.getItem(items, val); 
                        if(item){
                          result[index].push(item);
                        } 
                    });
                });
            } else {
                let values: any[] = Object.is(this.$util.typeOf(this.value), 'number') ? [this.value] : [...(this.value as any).split(this.valueSeparator)];
                values.map((value:any ,index: number)=>{
                    const item = this.getItem(items, value); 
                    if(item){
                      result.push(item);
                    } 
                });
            }
            // 设置items
            if(result.length != 0){
              _this.items = result;
            }else{
              _this.items = [{text:"不匹配"}];
            }
        }
    }

    /**
     * 获取代码项
     *
     * @private
     * @param {any[]} items
     * @param {*} value
     * @returns {*}
     * @memberof CodeList
     */
    private getItem(items: any[], value: any): any {
        let result: any = {};
        const arr: Array<any> = items.filter(item => {return item.value == value});
        if (arr.length !== 1) {
            return undefined;
        }
        result = { ...arr[0] };
        return result;
    }


}
</script>

<style lang='less'>

</style>